| Borgholzhausen to Smolyan | 1,057.88 mi (1,702.49 km) |
| Borgholzhausen to Sofia | 953.59 mi (1,534.65 km) |
| Borgholzhausen to Sopot | 1,005.20 mi (1,617.72 km) |
| Borgholzhausen to Sozopol | 1,123.42 mi (1,807.96 km) |
| Borgholzhausen to Sredets | 1,108.10 mi (1,783.32 km) |
| Borgholzhausen to Stamboliyski | 1,023.77 mi (1,647.60 km) |
| Borgholzhausen to Stara Zagora | 1,047.86 mi (1,686.36 km) |
| Borgholzhausen to Svilengrad | 1,100.58 mi (1,771.22 km) |
| Borgholzhausen to Svishtov | 980.03 mi (1,577.21 km) |
| Borgholzhausen to Targovishte | 1,042.79 mi (1,678.20 km) |
| Borgholzhausen to Teteven | 974.94 mi (1,569.01 km) |
| Borgholzhausen to Troyan | 992.46 mi (1,597.20 km) |
| Borgholzhausen to Tryavna | 1,021.26 mi (1,643.56 km) |
| Borgholzhausen to Tutrakan | 1,007.70 mi (1,621.74 km) |
| Borgholzhausen to Varna | 1,094.52 mi (1,761.46 km) |
